(3SJfOGd (B: s (3Hbdeg (B/ s - (3QUGUj, eMehO SjOs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ h GdfTQ,s, 1982)
Keywords: (3GdCOH GdaQfSjs